SIG Double ball series

SIG 2-Ball Series

DOUBLE ROW BALL, INTERNAL GEAR

 

Double row internally geared slewing rings offer high radial and moment load capabilities in a small diameter. This makes them ideal for applications such as jib cranes or where the dominant load is radial in nature such as winches or heavy industrial turnover jigs. The addition of an internal gear facilitates the transmission of power.

Should you need PDF drawings, load curves, CAD or STP files that are not yet uploaded to the site please e-mail 
info@qcbslewingrings.com and we will send them to you quickly!

Series dimensions

(Dimensions and weights are illustrative. QCB reserves the right to modify any specification in our quest for continuous product improvement)

Outline dimensionsOuter holesInner holes20 deg stub gearWeight
QCB referenceDaDihLanaLiniPMzFz Max
mmmmmmmmmmmmKNkg
SIG 570 2 20 01 AA LM5703688454018436183848488477
SIG 700 2 25 01 AA LM700485100660285403048559745110
SIG 705 2 20 01 AA LM70550492675325753252086588103
SIG 712 2 25 03 AA LM71245698675326403247285992140
SIG 850 2 20 02 AA LM85064192820367053664888195127
SIG 976 2 20 01 AA LM976786979443685036800810095152
SIG 982 2 25 01 AA LM98275497944368263676089595170
SIG 1072 2 25 01 AA LM107283197103536922368401270145218
SIG 1074 2 25 01 AA LM1074820114103540910408401084144234
SIG 1200 2 25 01 AA LM12009641101160481040489801098132232
SIG 1200 2 25 02 AA LM12009641101160361040369801098132239
SIG 1250 2 30 01 AA LM1250998110120836108036100010100148280
SIG 1345 2 30 01 AA LM13451062108129040115040108010108145331
SIG 1345 2 30 02 AA LM13451062108129048115048108010108145326
SIG 1470 2 25 01 AA LM14701182108142548127048120012100170365
SIG 1470 2 25 02 AA LM14701182108142548127048120010120148394
SIG 1530 2 40 01 AA LM15301186144148048129048120010120190612
SIG 1530 2 40 02 AA LM15301186144148048129048120012100215627
SIG 1750 2 30 01 AA LM17501419120170540152540144012120175572
SIG 1750 2 30 02 AA LM17501419120170548152548144012120175564
SIG 1780 2 45 02 AA LM17801375124171048150048140014100260840
SIG 1780 2 45 03 AA LM17801375124171048150048140412117223832
SIG 2090 2 45 01 AA LM20901778130203572189072180012150198744
SIG 2100 2 35 01 AA LM21001719144203572183572174012145216965
SIG 2300 2 40 01 AA LM230018771442240802030801910181053611200
SIG 2178 2 35 01 AA LM217818351442108721898721800121504191062
SIG 2928 2 40 01 AA LM292825441522866602694602560161603611574

Interchange information

(This series of slewing rings is usually freely interchangeable with other brands – some specific application examples will exist)

QCB referenceLEONESSA
SIG 572 2 20 01 AA LMVI 057 B02
SIG 705 2 20 01 AA LMVI 064 B00
SIG 850 2 20 02 AA LMVI 085 B00
SIG 976 2 20 01 AA LMVI 097 B06
SIG 982 2 25 01 AA LMVI 098 B03
SIG 1072 2 25 01 AA LMVI 107 B04
SIG 1200 2 25 01 AA LMVI 120 R01
SIG 1250 2 30 01 AA LMVI 125 B01
SIG 1470 2 25 02 AA LMVI 147 B08
SIG 1750 2 30 02 AA LMVI 175 B00

The QCB stock of internally geared double row ball series is not limited to these sizes (we don’t want to publish all our secrets!).  For example, gear limitations can be modified with higher modules or wider gear faces.

If you don’t see what you are looking for feel free to contact us to discuss your specific requirements.

QCB has double row ball bearings of 4 500mm in service – all special, application specific designs.

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